<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
hello,index!
<br>
<a href="/user/add">新增</a>
<br>
<a href="/user/update">编辑</a>
<br>
<a href="/login_index">重新登录</a>
<br>
<a href="/logout">注销</a>
</body>
</html>